<template>
  <div class="loginContainer">
    <!-- 登录盒子模型 -->
    <div class="login_box">
      <!-- 头像 -->
      <div class="login_avator">
        <img src="../assets/logo.png" alt="">
      </div>
      <!-- 登录表单 -->
      <el-form ref="LoginFormRef" class="login_el_form" :model="loginForm"  :rules="loginFormRules" label-width="0px">
        <el-form-item prop="username">
           <el-input v-model="loginForm.username" prefix-icon="iconfont icon-user" ></el-input>
        </el-form-item>
        <el-form-item prop="password">
           <el-input v-model="loginForm.password" prefix-icon="iconfont icon-3702mima" ></el-input>
        </el-form-item>
        <el-form-item class="login_btns">
          <el-button type="primary" @click="toLogin">登录</el-button>
          <el-button type="primary" plain>重置</el-button>
        </el-form-item>
      </el-form>
    </div>
  </div>
</template>
<script>
export default {
  data () {
    return {
      loginForm: {
        username: 'admin',
        password: '123456'
      },
      // 表单验证规则
      loginFormRules: {
        username: [
          { required: true, message: '请输入登录名', trigger: 'blur' },
          { min: 3, max: 10, message: '登录名长度在 3 到 10 个字符', trigger: 'blur' }
        ],
        password: [
          { required: true, message: '请输入密码', trigger: 'blur' },
          { min: 6, max: 15, message: '密码长度在 6 到 15 个字符', trigger: 'blur' }
        ]
      }
    }
  },
  methods: {
    toLogin () {
      this.$refs.LoginFormRef.validate(async valid => {
        if (!valid) return this.$msg.error('数据录入非法，请检查!')
        const { data: result } = await this.$http.post('login', this.loginForm)
        if (result.meta.status !== 200) return this.$msg.error('登录失败')
        window.sessionStorage.setItem('token', result.data.token)
        // 页面跳转
        this.$router.push('/home')
      })
    }
  }
}
</script>
<style lang="less" scoped>
.loginContainer {
  background-color: #2b5b6b;
  height: 100%;
}
.login_box {
  width: 450px;
  height: 300px;
  background: #fff;
  border-radius: 3px;
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  .login_avator {
    height: 130px;
    width: 130px;
    border: 1px solid #eee;
    border-radius: 50%;
    padding: 10px;
    box-shadow: 0 0 10px #ddd;
    position: absolute;
    left: 50%;
    transform: translate(-50%, -50%);
    background-color: #fff;
    img {
      width: 100%;
      height: 100%;
      border-radius: 50%;
      background-color: #eee;
    }
  }
}
.login_el_form {
  position: absolute;
  bottom: 0;
  width: 100%;
  padding: 0 20px;
  box-sizing: border-box;
}
.login_btns {
  display: flex; // 弹性盒模型
  justify-content: flex-end; // 横轴上尾部对其
}
</style>
